package com.cks.eduservice.controller;


import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.cks.commonutils.R;
import com.cks.eduservice.entity.EduTeacher;
import com.cks.eduservice.entity.vo.TeacherQuery;
import com.cks.eduservice.service.EduTeacherService;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import io.swagger.annotations.ApiParam;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.util.SocketUtils;
import org.springframework.util.StringUtils;
import org.springframework.web.bind.annotation.*;

import java.util.List;

/**
 * <p>
 * 讲师 前端控制器
 * </p>
 *
 * @author testjava
 * @since 2022-01-11
 */
@Api(description = "教师管理")
@RestController
@RequestMapping("/eduservice/teacher")
@CrossOrigin
public class EduTeacherController {


    @Autowired
    private EduTeacherService teacherService;


    //查询讲师表中所有数据
    @ApiOperation(value = "所有讲师列表")
    @GetMapping("/findAll")
    public R findAllTeacher() {
        List<EduTeacher> list = teacherService.list(null);
        return R.ok().data("items", list);
    }

    //逻辑删除讲师的方法
    @ApiOperation(value = "根据ID逻辑删除讲师")
    @DeleteMapping("{id}")
    public R removeTeacher(
            @ApiParam(name = "id", value = "讲师ID", required = true)
            @PathVariable String id) {
        boolean flag = teacherService.removeById(id);
        if (flag) {
            return R.ok();
        } else {
            return R.error();
        }
    }

    //分页查询讲师的方法
    @GetMapping("pageTeacher/{current}/{limit}")
    public R pageListTeacher(@PathVariable long current, @PathVariable long limit) {
//        创建page对象
        Page<EduTeacher> pageTeacher = new Page<>(current, limit);
//        调用方法实现分页
//        调用方法时，底层封装，把分页所有数据封装到pageTeacher对象里
        teacherService.page(pageTeacher, null);

        long total = pageTeacher.getTotal();//总记录数
        List<EduTeacher> records = pageTeacher.getRecords();//数据list集合
        return R.ok().data("total",total).data("rows",records);
    }



//   条件查询带分页的方法
    @PostMapping ("/pageTeacherCondition/{current}/{limit}")
    public  R pageTeacherCondition(@PathVariable long current,
                                   @PathVariable long limit,
       @RequestBody(required = false)  TeacherQuery teacherQuery)
    //如果用@RequestBody要用postmapping的方式  (required = false)表示传的值可以为空
    {
          //创建page对象
        Page<EduTeacher> pageTeacher = new Page<>(current, limit);
        //构建条件
        QueryWrapper<EduTeacher> wrapper = new QueryWrapper<>();
        //多条件查询
        //mybatis学过动态sql
        String name = teacherQuery.getName();
        String begin = teacherQuery.getBegin();
        String end = teacherQuery.getEnd();
        Integer level = teacherQuery.getLevel();
        if(!StringUtils.isEmpty(name))
        {
            wrapper.like("name",name);
        }
        if(!StringUtils.isEmpty(begin))
        {
            wrapper.ge("gmt_create",begin);
        }
        if(!StringUtils.isEmpty(end))
        {
            wrapper.le("gmt_create",end);
        }
        if(!StringUtils.isEmpty(level))
        {
            wrapper.eq("level",level);
        }

        //排序按时间排序
        wrapper.orderByDesc("gmt_create");
        //wrapper
        //调用方法实现条件查询分布
        teacherService.page(pageTeacher,wrapper);
        long total = pageTeacher.getTotal();//总记录数
        List<EduTeacher> records = pageTeacher.getRecords();//数据list集合
        return R.ok().data("total",total).data("rows",records);
    }
    //添加讲师接口的方法
    @PostMapping("/addTeacher")
    public  R addTeacher(@RequestBody EduTeacher eduTeacher){
        boolean save = teacherService.save(eduTeacher);
        if (save){
            return R.ok();
        }else {
            return R.error();
        }
    }
    //根据讲师id进行查询
    @GetMapping("/getTeacher/{id}")
    public  R getTeacher(@PathVariable String id){
//        try {
//            int i=10/0;
//
//        }catch (Exception e){
//            throw new CksException(333,"执行了自定议的异常处理");
//        }
        EduTeacher eduTeacher = teacherService.getById(id);
        return  R.ok().data("teacher",eduTeacher);
    }
    //讲师修改功能
    @PostMapping("/updataTeacher")
    public R updateTeacher(@RequestBody EduTeacher eduTeacher){
        boolean b = teacherService.updateById(eduTeacher);
        if (b){
            return R.ok();
        }
        else {
            return  R.error();
        }
    }
}

